एपीए उद्धरण

Townsend,Harry. (1980). Price theory (2nd ed.). Penguin Books.

शिकागो स्टाइल उद्धरण

Townsend,Harry. Price Theory. 2nd ed. England: Penguin Books, 1980.

एमएलए उद्धरण

Townsend,Harry. Price Theory. 2nd ed. Penguin Books, 1980.